Aman was wheeling his shopping trolley to the checkout.一个男人正推着购物车向付款台走去。This shopping trolley has a mind of its own.这辆购物手推车自己还挺有主意的。Why are the contents of the next person's shopping trolley always more alluring than one's own?为什么旁边人购物车里的东西看起来总是比自己车里的更诱人呢？